//  ================================================================
//  Copyright (c) 2000-2005 CollabNet.  All rights reserved.
//  
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions are
//  met:
//  
//  1. Redistributions of source code must retain the above copyright
//  notice, this list of conditions and the following disclaimer.
// 
//  2. Redistributions in binary form must reproduce the above copyright
//  notice, this list of conditions and the following disclaimer in the
//  documentation and/or other materials provided with the distribution.
//  
//  3. The end-user documentation included with the redistribution, if
//  any, must include the following acknowlegement: "This product includes
//  software developed by Collab.Net <http://www.Collab.Net/>."
//  Alternately, this acknowlegement may appear in the software itself, if
//  and wherever such third-party acknowlegements normally appear.
//  
//  4. The hosted project names must not be used to endorse or promote
//  products derived from this software without prior written
//  permission. For written permission, please contact info@collab.net.
//  
//  5. Products derived from this software may not use the "Tigris" or 
//  "Scarab" names nor may "Tigris" or "Scarab" appear in their names without 
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//  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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//  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// 
//  ====================================================================
//  
//  This software consists of voluntary contributions made by many
//  individuals on behalf of Collab.Net.


package org.tigris.scarab.om;

import java.util.List;

import org.apache.torque.TorqueException;
import org.apache.torque.util.Criteria;

/**
 * This class manages Transition objects.
 * The skeleton for this class was autogenerated by Torque  * You should add additional methods to this class to meet the
 * application requirements.  This class will only be generated as
 * long as it does not already exist in the output directory.
 */
public class TransitionManager
    extends BaseTransitionManager
{
	public static final String GET_ALL_TRANSITIONS = "getAllTransitions";
	public static final String GET_CONDITIONS = "getConditions";
	
    /**
     * Creates a new <code>TransitionManager</code> instance.
     *
     * @exception TorqueException if an error occurs
     */
    public TransitionManager()
        throws TorqueException
    {
        super();
        setRegion(getClassName().replace('.', '_'));
    }
    /**
     * Returns every transition defined for the given Attribute. The list is cached to improve
     * performance in complex setups.
     * 
     * @param attribute
     * @return
     */
    public static List getAllTransitions(Attribute attribute)
    {
    	Object transitions = getMethodResult().get(attribute, GET_ALL_TRANSITIONS, attribute);
    	if (transitions == null)
    	{
            Integer attribId = attribute.getAttributeId();
            try
            {
                Criteria crit = new Criteria();
                crit.add(TransitionPeer.ATTRIBUTE_ID, attribId);
                transitions = TransitionPeer.doSelect(crit);
                if (transitions != null)
                {
                	getMethodResult().put(transitions, attribute, "getAllTransitions", attribute);
                }
                	
            }
            catch (TorqueException te)
            {
                te.printStackTrace();
            }    	
    	}
        return (List)transitions;
    }
    
}
